diff options
Diffstat (limited to 'modules/book/book.module')
-rw-r--r-- | modules/book/book.module | 186 |
1 files changed, 94 insertions, 92 deletions
diff --git a/modules/book/book.module b/modules/book/book.module index d4cf70441..4dace3bcb 100644 --- a/modules/book/book.module +++ b/modules/book/book.module @@ -13,10 +13,11 @@ function book_theme() { return array( 'book_navigation' => array( 'arguments' => array('book_link' => NULL), + 'template' => 'book-navigation', ), 'book_export_html' => array( - 'arguments' => array('title' => NULL, 'content' => NULL), - 'file' => 'book.pages.inc', + 'arguments' => array('title' => NULL, 'contents' => NULL, 'depth' => NULL), + 'template' => 'book-export-html', ), 'book_admin_table' => array( 'arguments' => array('form' => NULL), @@ -26,6 +27,11 @@ function book_theme() { ), 'book_all_books_block' => array( 'arguments' => array('book_menus' => array()), + 'template' => 'book-all-books-block', + ), + 'book_node_export_html' => array( + 'arguments' => array('node' => NULL, 'children' => NULL), + 'template' => 'book-node-export-html', ), ); } @@ -191,18 +197,18 @@ function book_block($op = 'list', $delta = 0, $edit = array()) { $block['subject'] = t('Book navigation'); $book_menus = array(); $pseudo_tree = array(0 => array('below' => FALSE)); - foreach (book_get_books() as $book) { + foreach (book_get_books() as $book_id => $book) { if ($book['bid'] == $current_bid) { // If the current page is a node associated with a book, the menu // needs to be retrieved. - $book_menus[] = menu_tree_output(menu_tree_all_data($node->book['menu_name'], $node->book)); + $book_menus[$book_id] = menu_tree_output(menu_tree_all_data($node->book['menu_name'], $node->book)); } else { // Since we know we will only display a link to the top node, there // is no reason to run an additional menu tree query for each book. $book['in_active_trail'] = FALSE; $pseudo_tree[0]['link'] = $book; - $book_menus[] = menu_tree_output($pseudo_tree); + $book_menus[$book_id] = menu_tree_output($pseudo_tree); } } $block['content'] = theme('book_all_books_block', $book_menus); @@ -240,19 +246,6 @@ function book_block($op = 'list', $delta = 0, $edit = array()) { } /** - * Generate the HTML output for the block showing all book menus. - * - * @ingroup themeable - */ -function theme_book_all_books_block($book_menus) { - $output = ''; - foreach ($book_menus as $menu) { - $output .= '<div class="book-block-menu">'. $menu ."</div>\n"; - } - return $output; -} - -/** * Generate the HTML output for a link to a book title when used as a block title. * * @ingroup themeable @@ -283,7 +276,7 @@ function book_get_books() { while ($link = db_fetch_array($result2)) { $link['href'] = $link['link_path']; $link['options'] = unserialize($link['options']); - $all_books[] = $link; + $all_books[$link['bid']] = $link; } } } @@ -782,46 +775,59 @@ function _book_link_defaults($nid) { } /** - * Prepares the links to the children of the page and the previous/up/next navigation. + * Process variables for book-navigation.tpl.php. * - * These navigation elements are added to the content of a node in the book - * outline when it is viewed as a page and in similar contexts. + * The $variables array contains the following arguments: + * - $book_link * - * @ingroup themeable + * @see book-navigation.tpl.php */ -function theme_book_navigation($book_link) { - $output = ''; - $links = ''; +function template_preprocess_book_navigation(&$variables) { + $book_link = $variables['book_link']; + + // Provide extra variables for themers. Not needed by default. + $variables['book_id'] = $book_link['bid']; + $variables['book_title'] = check_plain($book_link['link_title']); + $variables['book_url'] = 'node/'. $book_link['bid']; + $variables['current_depth'] = $book_link['depth']; + $variables['tree'] = ''; if ($book_link['mlid']) { - $tree = book_children($book_link); + $variables['tree'] = book_children($book_link); if ($prev = book_prev($book_link)) { - drupal_add_link(array('rel' => 'prev', 'href' => url($prev['href']))); - $links .= l(t('‹ ') . $prev['title'], $prev['href'], array('attributes' => array('class' => 'page-previous', 'title' => t('Go to previous page')))); + $prev_href = url($prev['href']); + drupal_add_link(array('rel' => 'prev', 'href' => $prev_href)); + $variables['prev_url'] = $prev_href; + $variables['prev_title'] = check_plain($prev['title']); } if ($book_link['plid'] && $parent = book_link_load($book_link['plid'])) { - drupal_add_link(array('rel' => 'up', 'href' => url($parent['href']))); - $links .= l(t('up'), $parent['href'], array('attributes' => array('class' => 'page-up', 'title' => t('Go to parent page')))); + $parent_href = url($parent['href']); + drupal_add_link(array('rel' => 'up', 'href' => $parent_href)); + $variables['parent_url'] = $parent_href; + $variables['parent_title'] = check_plain($parent['title']); } if ($next = book_next($book_link)) { - drupal_add_link(array('rel' => 'next', 'href' => url($next['href']))); - $links .= l($next['title'] . t(' ›'), $next['href'], array('attributes' => array('class' => 'page-next', 'title' => t('Go to next page')))); + $next_href = url($next['href']); + drupal_add_link(array('rel' => 'next', 'href' => $next_href)); + $variables['next_url'] = $next_href; + $variables['next_title'] = check_plain($next['title']); } + } - if (isset($tree) || isset($links)) { - $output = '<div class="book-navigation">'; - if (isset($tree)) { - $output .= $tree; - } - if (isset($links)) { - $output .= '<div class="page-links clear-block">'. $links .'</div>'; - } - $output .= '</div>'; + $variables['has_links'] = FALSE; + // Link variables to filter for values and set state of the flag variable. + $links = array('prev_url', 'prev_title', 'parent_url', 'parent_title', 'next_url', 'next_title'); + foreach ($links as $link) { + if (isset($variables[$link])) { + // Flag when there is a value. + $variables['has_links'] = TRUE; + } + else { + // Set empty to prevent notices. + $variables[$link] = ''; } } - - return $output; } /** @@ -865,50 +871,56 @@ function book_toc($bid, $exclude = array(), $depth_limit) { } /** + * Process variables for book-export-html.tpl.php. + * + * The $variables array contains the following arguments: + * - $title + * - $contents + * - $depth + * + * @see book-export-html.tpl.php + */ +function template_preprocess_book_export_html(&$variables) { + global $base_url, $language; + + $variables['title'] = check_plain($variables['title']); + $variables['base_url'] = $base_url; + $variables['language'] = $language; + $variables['language_rtl'] = (defined('LANGUAGE_RTL') && $language->direction == LANGUAGE_RTL) ? TRUE : FALSE; + $variables['head'] = drupal_get_html_head(); +} + +/** * Traverse the book tree to build printable or exportable output. * - * During the traversal, the $visit_pre() callback is applied to each + * During the traversal, the $visit_func() callback is applied to each * node, and is called recursively for each child of the node (in weight, - * title order). Finally, the output of the $visit_post() callback is - * appended before returning the generated output. + * title order). * * @param $tree * A subtree of the book menu hierarchy, rooted at the current page. - * @param $visit_pre + * @param $visit_func * A function callback to be called upon visiting a node in the tree. - * @param $visit_post - * A function callback to be called after visiting a node in the tree, - * but before recursively visiting children. * @return * The output generated in visiting each node. */ -function book_export_traverse($tree, $visit_pre, $visit_post) { +function book_export_traverse($tree, $visit_func) { $output = ''; foreach ($tree as $data) { // Note- access checking is already performed when building the tree. - $node = node_load($data['link']['nid'], FALSE); - - if ($node) { - $depth = $node->book['depth']; - if (function_exists($visit_pre)) { - $output .= call_user_func($visit_pre, $node, $depth); - } - else { - // Use the default function. - $output .= book_node_visitor_html_pre($node, $depth); - } - + if ($node = node_load($data['link']['nid'], FALSE)) { + $children = ''; if ($data['below']) { - $output .= book_export_traverse($data['below'], $visit_pre, $visit_post); + $children = book_export_traverse($data['below'], $visit_func); } - if (function_exists($visit_post)) { - $output .= call_user_func($visit_post, $node, $depth); + if (function_exists($visit_func)) { + $output .= call_user_func($visit_func, $node, $children); } else { // Use the default function. - $output .= book_node_visitor_html_post($node, $depth); + $output .= book_node_export($node, $children); } } } @@ -918,47 +930,37 @@ function book_export_traverse($tree, $visit_pre, $visit_post) { /** * Generates printer-friendly HTML for a node. * - * This function is a 'pre-node' visitor function. - * * @see book_export_traverse(). * * @param $node * The node to generate output for. - * @param $depth - * The depth of the given node in the hierarchy. This - * is used only for generating output. + * @param $children + * All the rendered child nodes within the current node. * @return * The HTML generated for the given node. */ -function book_node_visitor_html_pre($node, $depth) { +function book_node_export($node, $children = '') { $node->build_mode = NODE_BUILD_PRINT; $node = node_build_content($node, FALSE, FALSE); + $node->body = drupal_render($node->content); - $output = "<div id=\"node-". $node->nid ."\" class=\"section-$depth\">\n"; - $output .= "<h1 class=\"book-heading\">". check_plain($node->title) ."</h1>\n"; - $output .= drupal_render($node->content); - - return $output; + return theme('book_node_export_html', $node, $children); } /** - * Finishes up generation of printer-friendly HTML after visiting a node. + * Process variables for book-node-export-html.tpl.php. * - * This function is a 'post-node' visitor function. + * The $variables array contains the following arguments: + * - $node + * - $children * - * @see book_export_traverse(). - * - * @param $node - * The node to generate output for. - * @param $depth - * The depth of the given node in the hierarchy. This - * is used only for generating output. - * @return - * The HTML appended after the given node. + * @see book-node-export-html.tpl.php */ -function book_node_visitor_html_post($node, $depth) { - return "</div>\n"; +function template_preprocess_book_node_export_html(&$variables) { + $variables['depth'] = $variables['node']->book['depth']; + $variables['title'] = check_plain($variables['node']->title); + $variables['content'] = $variables['node']->body; } /** |